The amount of rubber powder added as additive in foam concrete is 0%, 5%. If the inline pdf is not rendering correctly, you can download the pdf file here. The fresh geopolymer concrete was used to cast cubes of size 150x150x150mm to determine its compressive strength. An experimental study on slagfly ashbased geopolymer concrete 14 concrete produced using industrial byproduct materials locally available from a readymix concrete plant in the midwest region of the united states.
The design guidelines for opc concrete are applicable to geopolymer concrete also. Strength properties of glass fibre concrete chandramouli k. Aci materials journalmarchapril 20 1 aci materials jornal paper index volume 109, 2012 january through december 2012 american concrete institute. Strength and durability properties of alkali activated slag. Strength characteristics of geopolymer concrete containing. Department of civil engineering, nnamdi azikiwe university, awka, anambra, nigeria email. Studies revealed that the production of one ton cement releases around one ton of co. International journal of concrete structures and materials. The specimens were prepared according to the method followed by hardjito et. Test data of various shortterm and longterm properties of the geopolymer concrete are then presented. The manufacture of geopolymer concrete is carried out using the usual concrete technology methods. Use of high strength concrete for repair, shear performance of beams, development of geopolymer concrete and temperature resistant concrete along.
The concrete can be produced with or without the use of admixtures. Strength properties of glass fibre concrete arpn journals. Polystyrene lightweight concrete polyconcrete zaher kuhail. The paper describes the results of the tests conducted on largescale reinforced geopolymer concrete members and illustrates the application of the geopolymer. Differences in observed strengths due to type and size of mold were influenced by the type of concrete tested and the procedure for initial storage during the. Concrete durability properties, concrete tests, concrete construction controland to meet advancements made in concrete technology we should have to use latest technologies and various applications of concrete technologies like use of recycled materials in concrete, high performance concrete, air void analyzer. This journal is designed to reflect current developments and advances being made in the general. Aerated concrete is also wellknown as a cellular concrete.
Part idevelopment of new tribometer for analysis of lubricating layer 110m59seung hee kwon, chan kyu park, jae hong jeong, seon doo jo, and. The design provisions mentioned in aci guidelines and other national code for opc concrete are reported to be applicable for geopolymer concrete also. B international journal of civil and structural engineering 399 volume 3 issue 2 2012 bakri, 2011. Pervious concrete can be used for a number of applications, but its primary use is in road pavement such as in rural areas. Performance of geopolymer concrete under severe environmental conditions shankar h. Geopolymer concrete is totally cement free concrete. Description impact factor abstracting and indexing editorial board guide for authors p. An electroniconly, open access international journal of japan concrete institute.
Flexural strength concrete specimen for flexural strength has cross sectional area of 100mm width with 100mm depth and length of 500mm concrete beam was casted and oven dried for 24hours at 60c and compressive strength for 7 and 28 days were tested. Curtin research report on fly ashbased geopolymer concrete develoment and properties of lowcalcium fly ashbased. A comprehensive summary of the extensive studies conducted on fly ashbased geopolymer concrete is presented. Similarly the geopolymer concrete showed good workability as of the ordinary portland cement concrete. It focuses on consistency, mechanical and thermal properties as well as presenting a comparison with normal weight, lightweight and foamed concretes from the literature.
Fulltext pdf files are available for the authors to open at their web sites. Aci materials journalmarchapril 2014 3 p prediction of concrete pumping. C natarajan3 1m tech scholar, national institute of technology, thiruchirappalli, india 2phd scholar, national institute of technology, thiruchirappalli, india. Study of the strength geopolymer concrete with alkaline. Use of porous concrete or nofines concrete is an innovative way for storm water management, treatment, control, and to reduce water runoff. Guide for authors cement and concrete composites issn 0958. Material properties fresh concrete hardened concrete high.
Scholarly journals serve as forums for the introduction and presentation for scrutiny of new research, and the critique of existing research. Guide for authors cement and concrete research issn 00088846. Geopolymer concrete a new ecofriendly material of construction. A case study on fly ash based geopolymer concrete k. It can be divided into three main types according to the method of production.
Test data are used to identify the effects of salient factors that influence the. The effect of mold material and diameter on the magnitude of measured strength was also examined. Geopolymer concrete, a cementless concrete is an innovative construction material in which binding properties are developed by the interaction of alkaline solutions with a source material that is. The curing time varied from 4 hours to 96 hours 4 days. Experimental study of geopolymer concrete with manufactured sand. The geopolymer paste binds loose aggregates and unreacted materials together to form geopolymer concrete. Influence of mix design methods on the compressive srength of concrete aginam c. In the construction industry mainly the production of portland cement will causes the emission of pollutants results in environmental pollution. Some recent applications of geopolymer concrete in the precast construction and the economic merits of the geopolymer concrete are also included. Tech student, department of civil engineering, k l university, vaddeswaram, guntur. The compressive strength will be tested as accordance with bs 1881. The aim of cement and concrete research is to publish the best research on cement, cement composites, concrete and other allied materials that incorporate cement. International journal of civil, structural, environmental and. International journal of concrete technology ejournal of.
Durability is another important aspect of concrete. Differences in observed strengths due to type and size of mold were influenced by the type of concrete tested and the procedure for initial storage during the first 24 h of curing. Concrete durability properties, concrete tests, concrete construction controland to meet advancements made in concrete technology we should have to use latest technologies and various applications of concrete technologies like use of recycled materials in concrete, high. To the steel fibre reinforced concrete a styrene butadiene rubber emulsion was added and the properties of such polymer modified steel fibre reinforced concrete psfc are studied. More specifically, this study experimentally investigated material properties of one kind of slagfly ashbased. In geopolymer concrete no cement is used, instead fly ash and alkaline solutions such as sodium hydroxide na oh and sodium silicate na 2 o, sio 2 and potassium hydroxide koh are used to make the binder necessary to manufacture the concrete. The aim of cement and concrete research is to publish the best research on. The unit densities are specified explicitly for lightweight concrete as between 90 and 115 lbft3 and normalweight concrete as between 5 and 160 lbft3. In this paper, fly ash is used to produce a geopolymer concrete. As geopolymer concrete is a new material in which cement is totally replaced by. View articles published in cement and concrete research. These are not scanned pages, its original material that was send to. Geopolymer is a material resulting from the reaction of a source material that is rich in silica and alumina with alkaline solution.
Get more information about cement and concrete composites. All journal information and instructions compiled in one document pdf in just one mouse. The international journal of concrete structures and materials ijcsm provides a forum targeted for engineers and scientists around the globe to present and discuss various topics related to concrete, concrete structures and other applied materials incorporating cement cementitious binder, and polymer or fiber in conjunction with concrete. Utilization of rubber powder of waste tyres in foam concrete in. Fly ash based geopolymer concrete open access journals. Geopolymer concrete also showed very high early strength. Gujarat, india 2 professor, department of applied mechanics, s v national institute of technology, surat 395007. Experimental program materials the cementitious material used in the test was ordinary portland cement. Lecturer, 3lecturer, ssbts college of engineering and technology, bambhori, jalgaon, ms. Earlier studies revealed that geopolymer concrete composites have performed better than portland cement composites in. The hardened properties and durability of geopolymer concrete are discussed. Pdf file contains a magazine in the highest quality. Kanta rao abstract the major problem the world is facing today is the environmental pollution.
Postannealing mechanical properties of structural steel st37. A study on mechanical properties of porous concrete for its. The unit density information for the other three types of concrete is not provided in aci 31814. Geopolymer is obtained by activating industrial byproducts, which include blast furnace slag, fly ash, steel slag, phosphorus slag etc, with alkali activators, such as the sodium silicate, sodium carbonate and sodium hydroxide etc. This concrete consists of portland cement, water, coarse aggregate, and same of percentage of fine aggregate.
A technical analysis for compressive strength dr s l pati1 1, j n kale 2, s suman 3 address for correspondence 1head, applied science department, 2sr. Strength and durability of fibre reinforced geopolymer. Pdf use of natural fibres to enhance tensile strength of concrete. N lakshmanan, former director and presently project advisor structural engg research centre, chennai, and nataraja m c, professor, sj college of engg, mysore. The factors that affect the production of geopolymer concrete such as source minerals, workability, curing time, and curing temperature are discussed in the paper. Concrete production involves mixing concrete, workability and curing. Journal of materials in civil engineering recently published. The production of ready mixed geopolymer concrete can be achieved which represents the successful implementation of a technically very challenging product. In geopolymer, fly ash act as binder and alkaline solution act as an activator. Performance of geopolymer concrete under severe environmental. Comparative study of steel fiber reinforced over control. For easy working of fresh gpc mixes superplasticizer conplast sp430 was used. The factors that affect the production of geopolymer concrete such as source minerals, workability, curing time, and.
An overview of geopolymer is presented alongwith its processing parameters. Strength, economic and sustainability characteristics of coal. They are foamed concrete nonautoclaved aerated concrete naac and autoclaved aerated concrete aac. Foam concrete can be used for sustainable construction as a. Experimental study on geopolymer concrete incorporating ggbs.
The use of additives to enhance properties of pre formed. The effect of mold size and mold material on compressive. Geopolymer concrete, a cement free concrete is an innovative green concrete in which binding properties are developed by the interaction of alkaline solutions with a source material that is rich. This report will focus on the pavement applications of the concrete, which also has been referred to as porous concrete, permeable concrete, nofines concrete, gapgraded. Engineering and leachate characteristics of granulated blastfurnace slag as a construction material. Scholarlyconcretejournalsomics internationaljournal of. Geopolymer concrete a new ecofriendly material of construction n. Academic journal of civil engineering ajce is a multidisciplinary, openaccess.
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